package com.wfm.client;

public class Main {

    public static void main(String[] args) {
        System.out.println(getDayKey());
    }
    /**
     * 获取 day key
     */
    public static long getDayKey() {
        return System.currentTimeMillis() / (1000 * 60 * 60 * 24);
    }
}
